EP2627789B1 - Bandstahlverbundstoff und verfahren zu seiner herstellung - Google Patents

Bandstahlverbundstoff und verfahren zu seiner herstellung Download PDF

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Publication number
EP2627789B1
EP2627789B1 EP11770363.7A EP11770363A EP2627789B1 EP 2627789 B1 EP2627789 B1 EP 2627789B1 EP 11770363 A EP11770363 A EP 11770363A EP 2627789 B1 EP2627789 B1 EP 2627789B1
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Prior art keywords
steel strip
steel
microstructure
composite according
composite
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EP11770363.7A
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English (en)
French (fr)
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EP2627789A1 (de
Inventor
Jörgen VAN DE LANGKRUIS
Christian Theodorus Wilhelmus Lahaye
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Tata Steel Ijmuiden BV
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Tata Steel Ijmuiden BV
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • Y10T29/49986—Subsequent to metal working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12639—Adjacent, identical composition, components
    • Y10T428/12646—Group VIII or IB metal-base
    • Y10T428/12653—Fe, containing 0.01-1.7% carbon [i.e., steel]

Definitions

  • the microstructure of the Q&P steel comprises martensite and carbon-enriched austenite, and in certain instances, equiaxed ferrite.
  • the Q&P steel is heated to form austenite, either partially or fully, followed by quenching to a temperature between the martensite start temperature (M s ) and the martensite finish temperature (M f ), thereby creating a controlled amount of martensite and retained austenite.
  • the Q&P steel is then subjected to a thermal treatment to partition carbon from the martensite into the austenite. By partitioning, the formation of carbides is suppressed and the austenite is stabilised rather than decomposed. The stabilisation of austenite results in the steel exhibiting improved ductility relative to traditional high strength steels
  • the metal or metal alloy coating is zinc, aluminium or an alloy thereof.
  • a method for producing a three-layer steel strip composite which comprises the steps of providing a steel plate having a first microstructure and two steel strips having a second microstructure; deoxidising and cleaning the steel plate and each steel strip and disposing the steel plate between the two steel strips to form a three-layer stack package; rolling the stack package to form the composite and providing a metallic coating on each steel strip having the second microstructure on a surface opposite to the surface contacting the steel strip having the first microstructure.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Coating With Molten Metal (AREA)
  • Metal Rolling (AREA)
  • Electroplating Methods And Accessories (AREA)

Claims (14)

  1. Dreilagige Bandstahlverbundstruktur, bestehend aus Bandstahl mit einer ersten Mikrostruktur, die sich zwischen zwei Bandstählen mit einer zweiten Mikrostruktur befindet, wobei (i) der Bandstahl mit der ersten Mikrostruktur ausgewählt ist aus der Gruppe bestehend aus (a) einem TRIP-Stahl, der in Gew.-% 0,10 - 0,30 % C, 1,0 - 3,5 % Mn, 0,2 - 0,8 % Si und 0,5 - 2,0 % Al enthält, (b) einem TWIP-Stahl, der in Gew.-% zwischen 10 und 40 % Mangan und bis zu 10 % Aluminium enthält, (c) einem abgeschreckten und partitionierten Stahl, der in Gew.-% 0,15 - 0,4 % C, 1,0 - 3,0 % Mn, 1,0 - 2,5 % Si, 0 - 0,5 % Mo und 0 - 1,0 % Cr enthält, und (d) einem Stahl niederer Dichte, der in Gew.-% 0 - 0,2 % C, 0 - 2,0 % Si, 0 - 5 % Mn, 2 - 17 % Al, 0 - 3 % Cr, 0 - 0,2 % Ti und 0 - 0,2 % Ce enthält, wobei (ii) der Bandstahl mit der zweiten Mikrostruktur ausgewählt ist aus der Gruppe bestehend aus einem interstitiellfreien Stahl, einem Stahl mit sehr niedrigem Kohlenstoffgehalt, einem Stahl mit ultraniedrigem Kohlenstoffgehalt oder einem Stahl mit niedrigem Kohlenstoffgehalt, der in Gew.-% 0 - 0,1 % C, 0 - 1,0 % Mn, 0 - 0,1 % Si, 0 - 0,1 % Al und 0 - 0,1 % Cr enthält, und wobei (iii) ein Metall- oder ein Metalllegierungsüberzug, der Zink, Aluminium oder eine Legierung davon umfasst, auf jedem Bandstahl mit der zweiten Mikrostruktur auf einer Oberfläche vorhanden ist, die entgegengesetzt ist zu der Oberfläche, die den Bandstahl mit der ersten Mikrostruktur berührt.
  2. Bandstahlverbundstruktur nach Anspruch 1, wobei die Metalllegierung ferner Mg, Si, Ti, Cu, Ni, Co, Cr oder ein Gemisch davon umfasst.
  3. Dreilagige Bandstahlverbundstruktur nach Anspruch 1 oder Anspruch 2, wobei jeder Stahl mit der zweiten Mikrostruktur 1 - 10 %, vorzugsweise 1 - 5 % der Gesamtdicke der Bandstahlverbundstruktur umfasst.
  4. Bandstahlverbundstruktur nach einem der vorstehenden Ansprüche, wobei die Dicke der Bandstahlverbundstruktur zwischen 0,5 und 10 mm liegt, vorzugsweise zwischen 0,5 und 4 mm und darüber hinaus bevorzugt zwischen 0,5 und 2,5 mm.
  5. Bandstahlverbundstruktur nach einem der vorstehenden Ansprüche, wobei der Bandstahl mit der ersten Mikrostruktur Austenit umfasst.
  6. Bandstahlverbundstruktur nach einem der Ansprüche 1 bis 5, wobei der Bandstahl mit der ersten Mikrostruktur ein abgeschreckter und partitionierter Stahl ist, der in Gew.-% 0,15 - 0,22 %, 1,0 - 1,7 % Mn, 1,0 - 1,7 % Si, 0 - 0,25 % Mo und 0 - 0,5 % Cr enthält, wobei es sich bei dem Rest um Eisen und unvermeidbare Verunreinigungen handelt.
  7. Bandstahlverbundstruktur nach einem der Ansprüche 1 bis 5, wobei der Bandstahl mit der ersten Mikrostruktur ein Stahl niederer Dichte ist, der in Gew.-% 0,005 - 0,2 % C, 0 - 1,5 % Si, 0 - 3 % Mn, 2 - 9 % Al, 0-2,1 % Cr, 0-0,1 % Ti und 0 - 0,15 % Ce enthält, wobei es sich bei dem Rest um Eisen und unvermeidbare Verunreinigungen handelt.
  8. Bandstahlverbundstruktur nach einem der vorstehenden Ansprüche, wobei der Bandstahl mit der zweiten Mikrostruktur ein interstitiellfreier Stahl (IF), ein Stahl mit sehr niedrigem Kohlenstoffgehalt (ELC), ein Stahl mit ultraniedrigem Kohlenstoffgehalt (ULC) oder ein Stahl mit niedrigem Kohlenstoffgehalt (LC) ist, der in Gew.-% 0,001 - 0,005 % C, 0,05 - 1 % Mn, 0 - 0,1 % Si, 0 - 0,1 % Al und 0 - 0,1 % Cr enthält, wobei es sich bei dem Rest um Eisen und unvermeidbare Verunreinigungen handelt.
  9. Bandstahlverbundstruktur nach einem der vorstehenden Ansprüche, wobei die Bandstahlverbundstruktur eine Dehngrenze von 400 MPa oder höher aufweist.
  10. Bandstahlverbundstruktur nach einem der vorstehenden Ansprüche, wobei die Bandstahlverbundstruktur eine Zugfestigkeit von 800 MPa oder höher aufweist.
  11. Verfahren zur Herstellung einer dreilagigen Bandstahlverbundstruktur nach einem der Ansprüche 1 bis 10, wobei das Verfahren die folgenden Schritte umfasst: Bereitstellen einer Stahlplatte mit einer ersten Mikrostruktur und zwei Bandstählen mit einer zweiten Mikrostruktur; Desoxidieren und Reinigen der Stahlplatte und jedes Bandstahls und Anordnen der Stahlplatte zwischen den zwei Bandstählen, um eine dreilagige Stapeleinheit zu bilden; Walzen der Stapeleinheit, um die Verbundstruktur zu bilden, und Bereitstellen eines metallischen Überzugs auf jedem Bandstahl mit der zweiten Mikrostruktur.
  12. Verfahren zur Herstellung einer Bandstahlverbundstruktur nach Anspruch 11, wobei die Verbundstruktur gebildet wird durch Heißwalzen, Kaltwalzen oder durch Heißwalzen gefolgt von Kaltwalzen.
  13. Verfahren zur Herstellung einer Bandstahlverbundstruktur nach Anspruch 11 oder Anspruch 12, wobei die Stapeleinheit vor dem Schritt des Walzens umfänglich geschweißt wird.
  14. Verfahren zur Herstellung einer Bandstahlverbundstruktur nach einem der Ansprüche 11 bis 13, wobei der Schritt des Bereitstellens des metallischen Überzugs durch Feuerverzinkung oder galvanische Verzinkung ausgeführt wird.
EP11770363.7A 2010-10-11 2011-10-11 Bandstahlverbundstoff und verfahren zu seiner herstellung Active EP2627789B1 (de)

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Application Number Priority Date Filing Date Title
EP11770363.7A EP2627789B1 (de) 2010-10-11 2011-10-11 Bandstahlverbundstoff und verfahren zu seiner herstellung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10013487 2010-10-11
PCT/EP2011/005065 WO2012048844A1 (en) 2010-10-11 2011-10-11 A steel strip composite and a method for making the same
EP11770363.7A EP2627789B1 (de) 2010-10-11 2011-10-11 Bandstahlverbundstoff und verfahren zu seiner herstellung

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EP2627789A1 EP2627789A1 (de) 2013-08-21
EP2627789B1 true EP2627789B1 (de) 2020-07-08

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US (1) US20130189539A1 (de)
EP (1) EP2627789B1 (de)
JP (1) JP2014501841A (de)
CN (1) CN103168105B (de)
WO (1) WO2012048844A1 (de)

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JP2014501841A (ja) 2014-01-23
CN103168105B (zh) 2015-05-20
WO2012048844A1 (en) 2012-04-19
US20130189539A1 (en) 2013-07-25
WO2012048844A8 (en) 2013-05-02
EP2627789A1 (de) 2013-08-21
CN103168105A (zh) 2013-06-19

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